Alfa AWUS036ACH WiFi adapter installation on Debian based Linux
That is the single instruction how to install Alfa AWUS036ACH WiFi adapter on Debian based Linux (including M1 Mac CPU).
INSTALLATION (approach 1)
sudo apt update
uname -r # get kernel release
apt-cache search linux-headers # Choose header files for Linux x.x.x-amd64
sudo apt install linux-headers-x.x.x # (Replace X)
sudo shutdown -r 0 # Reboot
git clone https://github.com/aircrack-ng/rtl8812au.git # Download the driver
cd rtl8812au # change directory
sudo make && make install # install the driver
sudo shutdown -r 0 # reboot
UPD. Big thanks to Louay112 (https://github.com/Louay112) for his update (https://github.com/aircrack-ng/rtl8812au/issues/1131#issuecomment-1943183513)
INSTALLATION (approach 2)
sudo apt-get install realtek-rtl88xxau-dkms
sudo shutdown -r 0 # reboot
cd /usr/src/realtek-rtl88xxau-5.6.4.2\~git20240726.63cf0b4/
sudo nano Makefile
# under the dkms_install: section find dkms install -m 8812au -v $(DRIVER_VERSION) line and add --force to the end. The final line should be
dkms install -m 8812au -v $(DRIVER_VERSION) --force
sudo make dkms_install
sudo shutdown -r 0 # reboot